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Software components for data protection, secure storage and transfer


Server ID: WS_FTP-SSH_x.x.x FIPS

When a user attempts to copy a file FROM such server, it gets "Destination Folder Access Denied" message and, if he/she clicks "Continue", "Can't read from the source file or disk" message appears.

The server reports an errors with invalid error code and with a garbage in its description. This happens when one attempts to read data from a file opened for reading+writing. If a file is opened for reading only, the data could be read successfully. SFTP Net Drive always opens files on servers for reading+writing. Each file on a server is opened only once. Even if difference local programs open the same file at the same moment, the file on the server is be opened only once with maximum access mode.

Servers that use WS_FTP software are supported in read-only mode.

When a user attempts to copy a file TO such server, the following message appears: "An unexpected error is keeping you from copying the file... Error 0x80070032: The request is not supported".

The server does not support file resizing. Windows copies new files to the drive in the following way:

  1. Creates a file
  2. Sets file allocation size to the required value (this operation is not applicable because this server supports only SFTP version 4, so this operation is ignored)
  3. Sets file size to the required value (this operation is not supported by this server)
  4. Writes file data.

If one attempts to copy a file which already exists on the drive, the operational sequence differs a bit - between steps 1 and 2 Windows performs file truncation, i.e. it performs the same operation as on step 3 but with size set to zero. And as the server does not support file resizing, SFTP Net Drive reports this problem to Windows, and Windows shows the mentioned messages and interrupts file copying.

No solution found by now. Drives for servers with WS_FTP software installed are forcibly mounted as read-only.

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As of July 15, 2016 EldoS business operates as a division of /n software, inc. For more information, please read the announcement.

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